Firebase Authentication Functionality with React || Firebase Configuration | Bangla
Steps:
1.Setup with React
2.Setup with Configuration,And InitializeAPP
3.Setup with (APP ID and Secret Key)with callback URL
4.Use G/F/GIT/Twitter/Provider , Auth, SignINwithPOPup
5.Now just create your auth and pass your (Auth, provider)
6.Fetching information from POPup/And agrrement of users given
7.Will get a json Information of a USER,where photoURL, Email,Name you can show him if he already sing in with (Google/Facebook/Github)